Model valuation£417,0008 Busby Close
Local market context
17 St Helens Avenue, Swansea, SA1 4ND
1 planning record
Estimated value
£221,000
- Since the 2009 sale (£150,000)+47%
- Against SA1 4ND's recent median (£252,000)-12%
Newest record on this page: July 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Mid terrace
Habitable rooms
6
From EPC
Floor area
135 m²
1453 sq ft
Energy rating
D
Score 57
Council tax
Band D
Tenure
Private Rental
About this valuation
How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.
Our estimate
£221,000
- Against its 2009 sale (£150,000)+47%
- Against SA1 4ND's recent median (£252,000)-12%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 17 St Helens Avenue is modelled from its 135 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SA1 4ND. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
What it's based on
Floor area
135 m² from the EPC lodged in September 2021
Sales of this home
2 sales recorded, the latest in 2009
Recent sales in SA1 4ND
5 sales, median £252,000 (2025–2020)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: July 2025 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | 1 application | Full history, plus nearby schemes |
| Flood risk | Not shown | Included |
Sales history & valuation
Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.
Price for 17 St Helens Avenue has grown more than fourfold since the 1997 starting point.
Sales timeline
27 November 2009Most recent
£150,000
+538.3%over 12 years30 October 1997
£23,500
Median price across the last 5 sales in SA1 4ND: £252,000 (2025–2020).
Nearby sales in SA1 4ND
What this page doesn't show
1 potential issue has already been flagged for 17 St Helens Avenue, Swansea, SA1 4ND. The detail, evidence and what to ask about it are in the Risks Report.
- Signs of HMO activity in the areaIn report
- Flood risk from rivers, sea and surface waterIn report
- Subsidence and ground-stability signalsIn report
- Refusals, enforcement and big schemes nearbyIn report
One time fee only - money back guarantee
About 17 St Helens Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
17 St Helens Avenue is a mid-terrace house in Swansea (SA1 4ND). It has a recorded floor area of 135 m² (around 1453 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (September 2021) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since October 2009. Between certificates, roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump.
Untraded for 17 years, with the last transfer in November 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. One planning record on file: an extension approved in 2001. Past consents include an extension, meaningful when judging how the property has evolved. Across 1997–2009, sale prices on this property compounded at 16.6% per year. Today's modelled estimate of £221,000 is 47.3% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£103/sq ft) was about 17.5% above the typical sold price in the postcode.
Before you decide
Everything you need to know about 17 St Helens Avenue
The true value, the hidden risks and the full sale history, in one report.
Signs of HMO activity in the area
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
17 St Helens Avenue's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate(1 of 2)
Sept 2021
EPC Rating
A
B
C
D
D57
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
6.1 t/year
Occupancy
Rented
Certificate validity
Valid until 23 September 2031
Property Improvements
Changes detected from historical EPC data
Sept 2021from Oct 2009
Heating Controls
Prog + TRVsFull
Heating controls upgraded for better temperature management
Planning history
Applications and permits filed against 17 St Helens Avenue, Swansea, SA1 4ND, sourced from the PlanIt planning register.
17 St Helens Avenue has an approved rear extension on the planning record.
1 application on record at 17 St Helens Avenue, Swansea, SA1 4ND
1decisions1extensions44nearby
- Jun 2001ExtensionFullOutcome in report
Extension: Rear of property
Rear dormer extension
- Reference
- 2001/0580
Unlock 17 St Helens Avenue, Swansea, SA1 4ND's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 44 notable nearby
- What the pattern means for extending or converting here
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Versus other St Helens Avenue homes
Four headline reads against 27 similar houses on this street, drawn from the latest EPC and Land Registry data.
On floor area, 17 St Helens Avenue runs well behind the street norm.
Price per m²
£1,111
Street avg £1,115
Floor Area
135 m²
Street avg 152 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
6.1 t/year
Street avg 6.9 t/year
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Swansea district page.
Crime
580/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Helens Crescent — bus stop.
Nearest stops
- St Helens CrescentBus stop78m
- St Helens CrescentBus stop107m
- St Helens CrescentBus stop111m
- Swansea Crown CourtBus stop158m
Most reported crime locally
- Violence & Sexual Offences3,276 reports35%
- Anti-social Behaviour1,210 reports13%
- Shoplifting1,135 reports12%
- Public Order981 reports11%
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Get a survey for this property
Level 3 Building Survey
Victorian-eraMid-Terrace HouseEPC DPre-1919 buildExtended multiple times (2+ extensions)
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
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Start your researchHow to read this page
Where every figure above comes from, how current it is and what it can't tell you.
- How the estimate is made
- The estimate for 17 St Helens Avenue is modelled from its 135 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in SA1 4ND. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
- Where sold prices come from
- Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 2 sales are recorded for 17 St Helens Avenue. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
- Reading the EPC
- Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 17 St Helens Avenue was lodged in September 2021 at band D and is valid until September 2031. 2 certificates are on record, which shows how the home has changed.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 17 St Helens Avenue. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
- Area figures
- Crime is police-recorded street-level data over the last 16 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from SA1 4ND.
- Council tax band
- 17 St Helens Avenue is in council tax band D. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
Common questions
The questions buyers, sellers and homeowners most often ask about 17 St Helens Avenue, Swansea, SA1 4ND. Each answer is also embedded as structured data for search engines.
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Keep exploring
- Every home in SA1 4NDSold prices, values and energy ratings for the postcode
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